Colorful decorative sheet
By using colorful laser film and laser etching technology to form a multi-layered raised texture structure on the jewelry, the problems of heavy metal jewelry and insufficient visual expression of plastic jewelry are solved, achieving dynamic pattern display and high-end decorative effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-03-27
AI Technical Summary
Existing metal jewelry is too heavy, making it unstable to wear, while plastic jewelry lacks visual appeal and fails to meet the demand for a sense of luxury and intricate patterns.
The design employs a seven-color laser film, which diffracts incident light at different viewing angles to form a multi-layered textured structure. Combined with laser etching technology, periodic gratings are formed on the thin film material to achieve dynamic pattern display.
It enhances the visual appeal and decorative effect of the jewelry, provides dynamic pattern displays, and improves the viewing experience and visual enjoyment.
Smart Images
Figure CN224044962U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of ornaments, especially to a multicolor decorative sheet. BACKGROUND
[0002] With the continuous improvement of people's aesthetic needs, the ornaments or decorative sheets with decoration and artistic nature are widely used in clothing accessories, packaging labels, gift decorations, electronic device surface stickers and many other fields. The existing decorative products are mainly made of metal or plastic materials. The metal ornaments can bring strong visual impact due to good gloss and texture, and thus are more applied in high-end ornaments. However, the metal ornaments are usually heavy, and problems such as unstable fixation and gravity deviation are prone to occur during actual wearing, hanging or attaching, which affects the stability and comfort of use.
[0003] In order to overcome the problem of heavy weight of metal products, some products use plastic materials as a substitute. Although the plastic material has the advantages of light weight and flexible processing, its visual expression is limited, and it is difficult to clearly present complex patterns, and the surface texture is relatively weak, resulting in poor overall decorative effect and poor ornamental value, which is difficult to meet the visual demand for delicate patterns or high-grade feeling.
[0004] Therefore, a multicolor decorative sheet is proposed to solve the above problems. SUMMARY
[0005] The main purpose of the utility model is to provide a multicolor decorative sheet, which aims to solve the problem of relatively weak surface texture of existing ornaments, resulting in poor overall decorative effect and poor ornamental value.
[0006] In order to achieve the above utility model purpose, the utility model provides a multicolor decorative sheet, which comprises a basic layer and a pattern layer, the basic layer and the pattern layer are integrally formed, the pattern layer is provided with a multicolor laser film, the multicolor laser film is provided with a plurality of convex patterns, and the multicolor laser film is configured to diffract incident light at different observation angles to make the pattern layer exhibit different patterns at different viewing angles.
[0007] Further, the distance between the convex patterns is 100 nanometers to 800 nanometers.
[0008] Further, the distance between the convex patterns and the multicolor laser film is 50 nanometers to 200 nanometers.
[0009] Further, the distance between the convex patterns and the multicolor laser film is 50 nanometers to 200 nanometers.
[0010] Further, the convex patterns comprise at least two different height of groove units, and the height of the groove unit is between 50 nanometers and 200 nanometers.
[0011] Further, the convex lines comprise first and second line units, the pattern layer comprises shallow and deep layer areas, the height of the second line unit is greater than that of the first line unit, the first line unit corresponds to the shallow layer area, and the second line unit corresponds to the deep layer area.
[0012] Further, the convex lines are formed by laser etching.
[0013] Further, the base layer is made of PP, PVC or PET film.
[0014] Further, the seven-color laser film is provided with decorative protrusions in a hollow shape.
[0015] Further, the seven-color decorative sheet is in the shape of a butterfly.
[0016] Beneficial effects:
[0017] The seven-color decorative sheet comprises a base layer and a pattern layer, the base layer and the pattern layer are integrally formed, the pattern layer is provided with a seven-color laser film, and the seven-color laser film is provided with a plurality of convex lines. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 is a schematic diagram of the overall structure of the seven-color decorative sheet according to an embodiment of the present application;
[0019] Fig. 2 is a schematic diagram of the partial structure of the seven-color decorative sheet according to an embodiment of the present application;
[0020] Fig. 3 is a side view of the seven-color decorative sheet according to an embodiment of the present application;
[0021] Wherein:
[0022] 100, base layer;
[0023] 200, pattern layer; 210, shallow layer area; 220, deep layer area;
[0024] 300, seven-color laser film;
[0025] 400, convex lines;
[0026] 500, decorative protrusions;
[0027] The purposes, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0028] It should be understood that the specific embodiments described herein merely exemplify the present application and do not limit the present application.
[0029] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0030] In the description of the present application, it should be noted that, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] In the present application, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0032] ReferenceFigs. 1 to 3 The utility model discloses a multicolor decorative sheet, including base layer 100 and pattern layer 200, base layer 100 with pattern layer 200 integrally formed, pattern layer 200 is equipped with multicolor laser film 300, multicolor laser film 300 is equipped with a plurality of relief 400;
[0033] Among them, multicolor laser film 300 is configured for the incident light diffraction under different observation angles, so that the pattern layer 200 exhibits different graphics under different viewing angles;
[0034] The interval between every two adjacent relief 400 is 100 nanometers to 800 nanometers;
[0035] The interval between relief 400 and multicolor laser film 300 is 50 nanometers to 200 nanometers;
[0036] The relief 400 includes at least two different height's texture unit, and the height of the texture unit is between 50 nanometers to 200 nanometers;
[0037] The relief 400 includes first texture unit and second texture unit, the pattern layer 200 includes shallow area 210 and deep area 220, the height of the second texture unit is greater than the height of the first texture unit, the first texture unit corresponds with shallow area 210, and the second texture unit corresponds with deep area 220;
[0038] The relief 400 is formed by laser etching;
[0039] The material of base layer 100 is PP, PVC or PET film;
[0040] Multicolor laser film 300 is equipped with decorative convex 500, and the decorative convex 500 is in a hollow shape;
[0041] The multicolor decorative sheet is in a butterfly shape.
[0042] The embodiment provides a multicolor decorative sheet, including base layer 100 and pattern layer 200, and the base layer 100 is integrally formed with the pattern layer 200 to improve the stability and processing efficiency of the overall structure. Wherein, the pattern layer 200 is equipped with multicolor laser film 300, and a plurality of relief 400 structures are formed on the multicolor laser film 300, which is used to realize the angle transformation display effect of the optical pattern, and the multicolor laser film 300 is configured for the incident light diffraction under different observation angles. When external light irradiates the surface of the multicolor laser film 300, the incident light interacts with the relief 400, forming a direction-dependent interference diffraction pattern. Since the diffraction pattern has viewing angle dependence, the observer will see different graphics or color changes when observing the decorative sheet at different angles, realizing dynamic display of multicolor images.
[0043] To achieve better pattern resolution and optical transformation effect, in the embodiment, the distance between two adjacent convex patterns 400 is set to be between 100 nm and 800 nm, thereby forming a periodic grating structure to ensure reasonable distribution of diffraction angle and clarity of the pattern; to enhance the three-dimensional effect and depth level effect of the pattern, the distance between the convex pattern 400 and the seven-color laser film 300 is set to be between 50 nm and 200 nm, and the convex pattern 400 includes at least two different height groove units, the height range of which is between 50 nm and 200 nm, and the higher groove unit is used to form stronger refraction and shadow effect, thereby improving the stereoscopic visual experience of the pattern.
[0044] Specifically, the seven-color laser film 300 is provided with a plurality of convex patterns 400 on the surface, the convex pattern 400 is composed of groove units with different heights, including first groove units and second groove units, the first groove units have relatively small height and are used to form shallow graphic areas in the pattern layer 200; the height of the second groove units is greater than that of the first groove units and is used to form deep graphic areas in the pattern layer 200; preferably, the height range of the first groove units is between 50 nm and 100 nm, and the height range of the second groove units is between 120 nm and 200 nm; through the design, a combined structure of shallow graphics and deep graphics can be formed in the pattern, so that the overall pattern presents a three-dimensional relief effect in vision; when natural light or artificial light source is irradiated on the pattern layer 200, the groove units with different heights will produce different light reflection and scattering paths, thereby causing the enhancement of light and shade levels. The optical effect is particularly significant when the observation angle changes, so that the user can perceive the three-dimensional depth and spatial staggered feeling of the pattern when observing the decorative sheet from different directions, thereby improving the overall visual dynamics and decoration.
[0045] To achieve high-precision micro-texturing required by the above structure, laser etching technology is preferably used to process and form on the surface of the seven-color laser film 300, laser etching is a non-contact micro-nano processing method, which has the advantages of high focusing precision, good pattern reproducibility, small heat affected zone, etc., and can realize high-resolution groove etching on the surface of the film material; in the embodiment, by adjusting the focal length, power and scanning path of the laser beam, convex pattern 400 structures with different depths can be formed in the shallow area 210 and the deep area 220 respectively, thereby realizing multi-level and high-precision pattern construction; in addition, the process is suitable for batch processing of large-area film materials, and the process controllability is strong, which is conducive to the large-scale production of complex patterns or gradient patterns.
[0046] The base layer 100 is made of PP (polypropylene), PVC (polyvinyl chloride) or PET (polyethylene terephthalate) film material, has good flexibility, transparency and thermal stability, is convenient for large-scale continuous mold pressing or composite process treatment, and is suitable for various application scenarios such as decorations, labels or cards.
[0047] In addition, in order to further improve the decoration effect and design recognition, the colorful laser film 300 is further provided with a decoration protrusion 500, the decoration protrusion 500 is in a hollow shape, can project a shadow pattern with a changeable shape under light irradiation, and enhances visual dynamic and delicacy; in the embodiment, the whole colorful decoration piece is in a butterfly shape, can also be in a shape of a blade, a flower or a cloud, and is suitable for fields of decorations, packaging and artware.
[0048] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A colorful decorative piece, characterized in that, The application relates to a seven-color decorative sheet, which comprises a base layer (100) and a pattern layer (200), wherein the base layer (100) is integrally formed with the pattern layer (200), and the pattern layer (200) is provided with a seven-color laser film (300) provided with a plurality of convex patterns (400). The seven-color laser film (300) is configured to diffract incident light at different observation angles, so that the pattern layer (200) exhibits different patterns at different viewing angles.
2. The decorative sheeting of claim 1, wherein The interval between two adjacent convex patterns (400) is 100-800 nanometers.
3. The decorative sheeting of claim 2, wherein The interval between the convex patterns (400) and the seven-color laser film (300) is 50-200 nanometers.
4. The decorative sheeting of claim 3, wherein The convex patterns (400) comprise at least two kinds of different height groove units, and the height of the groove units is 50-200 nanometers.
5. The decorative sheeting of claim 4, wherein The convex patterns (400) comprise first groove units and second groove units, the pattern layer (200) comprises a shallow layer area (210) and a deep layer area (220), the height of the second groove units is greater than that of the first groove units, the first groove units correspond to the shallow layer area (210), and the second groove units correspond to the deep layer area (220).
6. The decorative sheeting of claim 5, wherein The convex patterns (400) are formed by laser etching.
7. The decorative sheeting of claim 1, wherein The material of the base layer (100) is PP, PVC or PET film.
8. The decorative sheeting of claim 1, wherein The seven-color laser film (300) is provided with decorative convexities (500) in a hollow shape.
9. The decorative sheeting of claim 1, wherein The seven-color decorative sheet is in the shape of a butterfly.